Note: This issue has been resolved in the latest versions of Serato DJ Pro & Serato DJ Lite
We are aware of an issue caused by a Windows 10 version update, that can result in the Pioneer DJ DDJ-SB experiencing connection issues and users may be presented with an error message such as, "Failed to connect audio" or "Troubleshoot audio problems".
This was caused by the Windows 10 version 1809 update specifically, and affects both Serato DJ Pro & Serato DJ Lite. Even if you're currently using Windows 10 version 1803 or lower, we still suggest all Pioneer DJ DDJ-SB users install the latest Serato DJ releases below, where a fix has been implemented, to avoid future potential issues.
To resolve this issue, please re-download and install the latest version of Serato DJ Pro & Serato DJ Lite, which contains the fix:
NOTE: You can confirm you've got the correct build installed by checking in the bottom left-hand corner of the SETUP screen of Serato DJ Pro - where the build number should be 210798.